Companies based in Dallas

AT&T Inc., an abbreviation of its predecessor's original name, the American Telephone and Telegraph Company, is an American multinational telecommunications conglomerate headquartered at the Whitacre Tower in Downtown Dallas, Texas. AT&T is the world’s third-largest telecommunications company by revenue, the third largest wireless carrier in the United States behind T-Mobile and Verizon, and the nation's biggest fiber internet provider. On the New York Stock Exchange, AT&T trades under the ticker symbol “T,” and has a market capitalization of $186.83 billion. On the Fortune 500 (2025) AT&T ran

airline of the United States

Halliburton Company is an American multinational corporation and the world's second-largest oil service company, responsible for most of the world's fracking operations. The company, incorporated in the United States, has dual headquarters located in Houston and in Dubai.

video game developer company

defunct American-based provider of home movie and video game rental services; now a franchise brand name

North American intercity bus service

MoneyGram International, Inc. is an American interstate and international peer-to-peer payments and money transfer company headquartered in Dallas, Texas. It has an operations center in St. Louis Park, Minnesota, and regional and local offices around the world.

defunct US airline 1928-1982

thumb|A Sunoco fuel station in Peachtree, North Carolina

AECOM (, ; formerly AECOM Technology Corporation) is an American multinational infrastructure consulting firm headquartered in Dallas, Texas.

company

American luxury specialty department store

former video game developer

computer game developer

Comerica Incorporated is an American financial services company, headquartered in Dallas, Texas. It is the parent of Comerica Bank, a regional commercial bank with 413 branches in the U.S. states of Texas, Michigan, California, Florida and Arizona. Comerica is among the largest U.S. financial holding companies, with offices in a number of U.S. cities.

American engineering and professional services company

American independent film studio

American newspaper publisher (2008-)

American energy pipeline company

airline

American technology company specializing in online dating platforms

American architecture firm

American specialty television channel

American animation studio

company

company

Copart, Inc. is a multinational provider of online vehicle auction and remarketing services to automotive resellers such as insurance, rental car, fleet, and finance companies. Copart operates in 11 countries: the US, Canada, the UK, Germany, Ireland, Brazil, Spain, UAE, Bahrain, Oman, and Finland. Headquartered in Dallas, Texas, Copart has more than 200 locations, where it houses more than 10,000 acres of vehicle inventory.

U.S. energy company

Xeros subsidiary providing IT services and outsourcing solutions

American animation studio

American telecommunications company

restaurant and entertainment business

chain of sports bars and restaurants

American media company (1842-2013)

American fast food chain

MumboJumbo, LLC was an independent developer of games for personal computers, game consoles and mobile devices. MumboJumbo Mobile, LLC publishes entertainment software for Android and iOS devices.

Entrust Corporation is an American digital security company headquartered in Shakopee, Minnesota. The company develops hardware and software for card and ID issuance, identity verification, authentication, certificate and key lifecycle management, and post-quantum cryptography. The business traces its roots to Datacard Corporation (founded in 1969) and Entrust Inc. (founded in 1994). Datacard acquired Entrust in 2013, and the combined company rebranded as Entrust in 2020.

Korean frozen yogurt and smoothie brand

video game developer in United States

former American Class I railroad

REDIRECT IBM Cloud#SoftLayer

Tellabs, Inc. is a global network technology company that provides networking and communications solutions to both private and governmental agencies. The company offers a range of products and services, including optical transport systems, access systems, managed access solutions, and network management software. The company was founded by Michael Birck in 1974 and is headquartered in Carrollton, Texas. It is currently owned by Marlin Equity Partners, who established an independent business for its product portfolio to accelerate the development of Optical local area network (OLAN) technology.

American energy company

contemporary accessories brand

airline operating in the United States

American healthcare company